Astro is vulnerable to Reflected XSS via the server islands feature_CVE-2025-64764

{
    "lastseen": "",
    "description": "Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.",
    "published": "2025-11-19T16:41:03.767Z",
    "modified": "2025-11-19T21:07:23.867Z",
    "type": "cve",
    "title": "Astro is vulnerable to Reflected XSS via the server islands feature",
    "source": "GitHub_M",
    "references": "https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723\nhttps://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91",
    "id": "CVE-2025-64764",
    "bulletinFamily": "",
    "cwe": [
        "CWE-80"
    ],
    "cvelist": null,
    "sourceData": "withastro astro < 5.15.8",
    "sourceHref": "",
    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "astro",
    "version": "< 5.15.8",
    "vendor": "withastro",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}